Carriage-jack



CARRIAGE JACK.

Patented Sept. 6, 1&8?.

WltVE-SEEET FFICFO UNITED STATES PATENT REUBEN J. BUTTERFIELD, OF W'ESTFORD, D'IASSACHUSETTS.

CARRIAGE-JACK.

SPECIFICATION forming part of Letters Patent No. 369,433, dated September 6, 1887.

Application filed July il, 1887. Serial No. 213,221. (No model.)

To all whom it may concern: equal to halfof the diameter of said rear leg, so

Be it known that I, REUBEN J. BUTTER- that the lever, when the jack is notin use, lies FIELD, of llTestford, in the county of Middle- Wholly within the rear leg, except that said 55 sex and Commonwealth of Massachusetts, have lever is provided with a handle, d2, arranged invented a new and useful Improvement in parallel with the body of said lever and so as Carriage-Jacks, of which the following is a to lie close against the leg B when the jack is speciiication. folded, and except that said lever projects My invention relates to carriage-jacks; and above the top of the leg I3. 6c

it consists in the devices and combinations In Figlthe jack is represented as provided lo hereinafter described and claimed. with two pins or lifting-lugs, E, which may be In the accompanying drawings, Figure l is merely wooden pins driven into the front side a side elevation of my improved carriageof the front leg, the object of these lugs being jack, the full lines'represcnting the jack in the of course to support and lift the carriage-axle 65 position it occupies when in use and the dotor other load to which the jack is applied,

ted lines showing the saine with the lever there being tivo or niore such lugs to ,enable raised to allow the jack to be placed under the the jack to be used for axles of different load; Fig. 2, a plan of the jack in the position heights. shown by full lines in Fig. l; Fig. 3, either a In Fig. l asingle liftinglug is shown at E, 70 front or rear elevation of the slotted leg ofthe said. lug E being provided with a clip, c,

zo jack; Fig. el, a side elevation ofthe jack, show- (shown in plan in Fig. 5,) adapted to surround ing a modification of the lifting-lng; Fig. 5, a the leg A, and having its ends drawn together plan ofthe lug shown in Fig. 4; Fig. 6, a side by aclamp-screw, c', to hold thelng E at any -elevatiou of the frontleg of the jack, showing desired distance from the lower end of. the leg 75 another modilication of the lifting-lug and A, to suit axles of different heights and to renmeans of adjusting said lug on said front leg, der the use of more than one lifting-lug nnand aV vertical central section of the rear leg, necessary. For the same purpose the lug E lever, and attaching-car, the lever being de- (shown in Fig. 6) is secured to a nut or inter pressed in Figs. 4 and 6. nally-thrcaded ring, ci, adapted to engage a 30 In all the figures the jack is represented as screw-thread, o., formed on the upper end of 3o consisting of a front leg, A, a rear leg, B, alethe leg A below the ear D, the height of the ver, C, pivoted at c within a central vertical lug E being varied by turning said lug` and its slot, c, (shown in Figs. 3 and 6,) to the rear nut up or down on said leg A. Except in the leg, B, an attaching-ear, D, to which the uprespects above noted, the jack shown in Figs. 85 per cud of the lever C is pivoted at d, and one 4 to G is precisely like the jack shown in Fig. l.

or more lifting-lugs projecting from the front I claim as my inventionside of the front leg, A. The legs A B, for 1. The combination, in a carriage-jack, cfa cheapucss, are preferably made of round leg, a lifting-lug projecting therefrom in one wooden rods, as shown, and are connected to direction, an ear secured to said leg and pro- 9e cach other by the lever G and ear l), said ear jecting therefroniiu another direction, another being provided with a ring, d', which surleg provided with a central longitudinal slot, rounds the upper end of the front leg, A, and and a lever having a width equalto the thiclrprojecting backward far enough to allow the ness of said last-named leg, arranged within legs to be laid parallel with cach other and said slot and pivoted to said slotted leg and to 9: close together when. the jack is not in use. said car, the pivot which connects said lever1 The rear leg, B, is slotted entirely through at to said ear being at the same distance from c', to receive the flat main part or body c'z of said irst-narned leg as the other pivot or fulthe lever C, which is of a width equal to the crunrpivot of said lever is from that side of diameter ol' said rear leg, and the pivot or fulsaid slotted leg which is adjacent to said rstroo cruin pin c of said lever passes through the named leg, to enable said lever and said legs 5o middle of said lever and through the middle to be folded together parallel with each other,

of saidrcar leg,and the pivot d passes through as and for the purpose specified. the car I) at a distance from the front leg, A, 2. The combination, in a carriagejack, ol" a leg, a lifting-lug projecting therefrom and adjustable thereon, an ear secured to said leg, another leg provided with a central longitudinal slot, and a lever having a Width equal to the thickness of said lastnamed leg, arranged Within said slot and pivoted to said slotted leg and to` said ear, the pivot which connects said lever to said ear being at the same distance from said first-named leg as the other pivot or fulcruin-pivot ofsaid lever is from that side of said slotted leg which is adjacent to said rstnamed leg, to enable said lever and said legs to be folded together parallel with each other and to adapt the height of said lifting-lug to the heights of different carriage-axles, as and for the purpose specified.

3. The combination, in a carriage-jack, ofa leg, a lifting-lug provided with a clip adapted to surround said leg and a clamp-screw to hold said lifting-lug at any desired distance from the lower end of said leg, an ear secured to said leg, another leg provided with a central longitudinal slot, and a lever havinga Width equal to the thickness `of said last-named leg, arranged within said slot and pivoted to said slotted leg and to said ear, the pivot which connects said lever to said ear being at the same distance from said first-named leg as the other pivot or fulcrum-pivot of said lever is from A 

